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How do I check if a directory exists? “is_dir”, “file_exists” or both?
...Unix systems - in Unix everything is a file, including directories. But to test if that name is taken, you should check both. There might be a regular file named 'foo', which would prevent you from creating a directory name 'foo'.
...
How do I consume the JSON POST data in an Express application
...se.send(request.body); // echo the result back
});
app.listen(3000);
Test along the lines of:
$ curl -d '{"MyKey":"My Value"}' -H "Content-Type: application/json" http://127.0.0.1:3000/
{"MyKey":"My Value"}
Updated for Express 4+
Body parser was split out into it's own npm package after v...
How do I write a for loop in bash
...I'd be interested to know. You could execute the ssh inside a conditional test if it was a concern.
– terson
Nov 8 '09 at 19:07
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On - window.location.hash - Change?
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The latest Firefox build (3.6 alpha) also now supports the native hash changed event: developer.mozilla.org/en/DOM/window.onhashchange It is certainly worth doing a check for this event, but note that IE8 will tell you the event e...
Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
...pend on interchangeability without first running a couple of quick, simple tests of each form on any shell/*nix implementations that you plan to run your finished scripts on.
I tend to favor the first, simply because my text editor seems to know what it is, and does syntax highlighting appropria...
How to combine date from one field with time from another field - MS SQL Server
... get milliseconds accuracy this way, but that would normally be OK. I have tested this in SQL Server 2008.
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Remove empty strings from a list of strings
...eving data from db? list of arguments for a function while doing automated testing?
– thiruvenkadam
Feb 24 '15 at 5:22
3
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Using global variables between files?
...e exception of local variables in the imports of course).
for example:
##test.py:
from pytest import *
print hello_world
and:
##pytest.py
hello_world="hello world!"
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How do you detect/avoid Memory leaks in your (Unmanaged) code? [closed]
...me based. With a large code base (written in C in ly case) you will mainly test your program for the way it had been designed. An attacker can the several thousands required hours at reading the code in order to find a memory leak exploit. I would have expected an automated tool for source code anal...
How do I see active SQL Server connections?
...ommand - last column.
-- Marcelo Miorelli
-- 18-july-2017 - London (UK)
-- Tested on SQL Server 2016.
--==============================================================================
USE master
go
SELECT
sdes.session_id
,sdes.login_time
,sdes.last_request_start_time
,sdes.last_reque...